Andrew Gentles was a consultant ophthalmic surgeon at Harrogate District General Hospital and Ripon and District General Hospital. He studied at Cambridge University and gained his diploma in ophthalmology in 1962 and his FRCS in 1968. Prior to his consultant appointment he was a senior registrar

Michael John Absolon was an ophthalmic surgeon in Southampton and Winchester. He was born in Cheltenham in 1933 and studied natural sciences at St John's College, Cambridge, and then went on to complete his clinical studies at the London Hospital Medical School. While at Cambridge he represented the

Philip Neville Awdry was a consultant ophthalmic surgeon at United Oxford Hospitals and Oxford Royal Hospital for the Blind. Born in 1933, he was the son of Neville John Awdry TD and his wife, Joan née Visger. Ophthalmologist to the Royal Commonwealth Society Blind Mobile Field Team, it is possible